Tropical ulcers.
D002908:Chronic Disease; D005121:Extremities; D006801:Humans; D010406:Penicillins / Q000627:therapeutic use*; D016038:Skin Transplantation; D013307:Streptomycin / Q000627:therapeutic use*; D014330:Tropical Medicine; D014456:Ulcer / Q000175:diagnosis* / Q000209:etiology* / Q000628:therapy*
D010406:Penicillins; D013307:Streptomycin